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Two bonds of nitrogen

  1. Jan 5, 2016 #1
    Guys, I'm just thinking about how Nitrogen makes two bonds if it has 3 electrons in 2p orbital. I made a judgement that one electron from 2s orbital will transfer to one of 2p orbitals then there are two 2p orbitals which can make a bond? Is this correct or there is other mechanism?
     
  2. jcsd
  3. Jan 5, 2016 #2
    Nitrogen actually makes 3 bonds. 2 p-electrons form a sigma-bond and 2 x 2 p-electrons form 2 pi-bonds. The s-electrons are not binding.
     
  4. Jan 6, 2016 #3
     
  5. Jan 6, 2016 #4

    DrDu

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    In nitric oxide, you have one additional electron, so you will get a 3-electron pi bond which is about half as strong as a 2 electron pi bond. So you will get an overall bond order of 2.5.
     
  6. Jan 6, 2016 #5
    Can you just elaborate. Extra electron means tha nitrogen gains a electron then it makes a bond?
     
  7. Jan 6, 2016 #6

    DrDu

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    No, I meant that in nitric oxide you have one more valence electron as compared to dinitrogen.
     
  8. Jan 6, 2016 #7
    The extra electron populates an anti-binding pi orbital. It belongs to the molecule and not to nitrogen or oxygen only.
     
  9. Jan 9, 2016 #8
    Ohk to understand this concept should I first understand MOT
     
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